{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Root+Canal+Treatment&page=2",
    "query": {
      "condition": "Root Canal Treatment",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Root+Canal+Treatment&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-07-24T08:29:51.877Z",
  "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.",
  "notes": [
    "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.",
    "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.",
    "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees."
  ],
  "trials": [
    {
      "nct_id": "NCT04444921",
      "title": "EA2176: Phase 3 Clinical Trial of Carboplatin and Paclitaxel +/- Nivolumab in Metastatic Anal Cancer Patients",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Anal Basaloid Carcinoma",
        "Anal Canal Cloacogenic Carcinoma",
        "Metastatic Anal Squamous Cell Carcinoma",
        "Recurrent Anal Squamous Cell Carcinoma",
        "Stage III Anal Cancer AJCC v8",
        "Stage IV Anal Cancer AJCC v8",
        "Unresectable Anal Squamous Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Nivolumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Paclitaxel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 205,
      "start_date": "2020-11-17",
      "completion_date": "2027-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-02",
      "last_synced_at": "2026-07-24T08:29:51.877Z",
      "location_count": 580,
      "location_summary": "Anchorage, Alaska • Kingman, Arizona • Phoenix, Arizona + 382 more",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04444921"
    },
    {
      "nct_id": "NCT02314169",
      "title": "Nivolumab With or Without Ipilimumab in Treating Patients With Refractory Metastatic Anal Canal Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Anal Canal Squamous Cell Carcinoma",
        "Metastatic Anal Canal Carcinoma",
        "Stage IV Anal Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Ipilimumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Nivolumab",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BIOLOGICAL"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 143,
      "start_date": "2015-05-13",
      "completion_date": "2027-03-20",
      "has_results": true,
      "last_update_posted_date": "2026-06-17",
      "last_synced_at": "2026-07-24T08:29:51.877Z",
      "location_count": 55,
      "location_summary": "Los Angeles, California • Sacramento, California • Aurora, Colorado + 43 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Derby",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02314169"
    },
    {
      "nct_id": "NCT02340715",
      "title": "Advanced MRI Sequences for Radiation Therapy Treatment Planning",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cancer"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Medical College of Wisconsin",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 158,
      "start_date": "2009-02",
      "completion_date": "2015-06",
      "has_results": true,
      "last_update_posted_date": "2017-10-31",
      "last_synced_at": "2026-07-24T08:29:51.877Z",
      "location_count": 1,
      "location_summary": "Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02340715"
    },
    {
      "nct_id": "NCT04276935",
      "title": "Development of a Health-Related Symptom Index for Participants With and Either Treated or Monitored for Anal High-Grade Squamous Intraepithelial Lesions",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "High Grade Anal Canal Squamous Intraepithelial Neoplasia",
        "Human Immunodeficiency Virus"
      ],
      "interventions": [
        {
          "name": "Interview",
          "type": "OTHER"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "AIDS Malignancy Consortium",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2018-11-06",
      "completion_date": "2020-03-01",
      "has_results": true,
      "last_update_posted_date": "2025-03-07",
      "last_synced_at": "2026-07-24T08:29:51.877Z",
      "location_count": 4,
      "location_summary": "San Francisco, California • Miami, Florida • Chicago, Illinois + 1 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04276935"
    },
    {
      "nct_id": "NCT04166318",
      "title": "Lower-Dose Chemoradiation in Treating Patients With Early-Stage Anal Cancer, the DECREASE Study",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Anal Basaloid Carcinoma",
        "Anal Canal Cloacogenic Carcinoma",
        "Anal Canal Squamous Cell Carcinoma",
        "Anal Margin Squamous Cell Carcinoma",
        "Stage I Anal Cancer AJCC v8",
        "Stage IIA Anal Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Capecitabine",
          "type": "DRUG"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Fludeoxyglucose F-18",
          "type": "OTHER"
        },
        {
          "name": "Fluorouracil",
          "type": "DRUG"
        },
        {
          "name": "Intensity-Modulated Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Mitomycin",
          "type": "DRUG"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "OTHER",
        "RADIATION"
      ],
      "sponsor": "ECOG-ACRIN Cancer Research Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 252,
      "start_date": "2020-01-02",
      "completion_date": "2029-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-10",
      "last_synced_at": "2026-07-24T08:29:51.877Z",
      "location_count": 659,
      "location_summary": "Birmingham, Alabama • Anchorage, Alaska • Fairbanks, Alaska + 438 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04166318"
    },
    {
      "nct_id": "NCT05959629",
      "title": "Erbium, Chromium: Yttrium, Scandium, Gallium, Garnet (Er,Cr:YSGG) Laser in Root Canal Disinfection",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Endodontic Disease",
        "Root Canal Infection"
      ],
      "interventions": [
        {
          "name": "Waterlase Express™, BIOLASE®",
          "type": "DEVICE"
        },
        {
          "name": "Sodium Hypochlorite",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 56,
      "start_date": "2023-10-11",
      "completion_date": "2024-05-02",
      "has_results": true,
      "last_update_posted_date": "2025-10-09",
      "last_synced_at": "2026-07-24T08:29:51.877Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05959629"
    },
    {
      "nct_id": "NCT03376984",
      "title": "Nanodiamond-Gutta Percha Composite Biomaterials for Root Canal Therapy",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Dental Pulp Diseases",
        "Dental Pulp Necrosis",
        "Nerve Root Pain Nec"
      ],
      "interventions": [
        {
          "name": "ND and AMOX modified Gutta Percha",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Gutta Percha",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT",
        "DEVICE"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2023-06",
      "completion_date": "2025-06",
      "has_results": false,
      "last_update_posted_date": "2023-09-21",
      "last_synced_at": "2026-07-24T08:29:51.877Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03376984"
    },
    {
      "nct_id": "NCT02834013",
      "title": "Nivolumab and Ipilimumab in Treating Patients With Rare Tumors",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Acinar Cell Carcinoma",
        "Adenoid Cystic Carcinoma",
        "Adrenal Cortical Carcinoma",
        "Adrenal Gland Pheochromocytoma",
        "Anal Canal Neuroendocrine Carcinoma",
        "Anal Canal Undifferentiated Carcinoma",
        "Angiosarcoma",
        "Apocrine Neoplasm",
        "Appendix Mucinous Adenocarcinoma",
        "Bartholin Gland Transitional Cell Carcinoma",
        "Basal Cell Carcinoma",
        "Bladder Adenocarcinoma",
        "Breast Metaplastic Carcinoma",
        "Cervical Adenocarcinoma",
        "Cholangiocarcinoma",
        "Chordoma",
        "Colorectal Squamous Cell Carcinoma",
        "Desmoid Fibromatosis",
        "Endometrial Transitional Cell Carcinoma",
        "Endometrioid Adenocarcinoma",
        "Esophageal Neuroendocrine Carcinoma",
        "Esophageal Undifferentiated Carcinoma",
        "Extrahepatic Bile Duct Carcinoma",
        "Extramammary Paget Disease",
        "Fallopian Tube Adenocarcinoma",
        "Fallopian Tube Transitional Cell Carcinoma",
        "Fibromyxoid Tumor",
        "Gallbladder Carcinoma",
        "Gastric Neuroendocrine Carcinoma",
        "Gastric Squamous Cell Carcinoma",
        "Gastric Undifferentiated Carcinoma",
        "Gastrointestinal Stromal Tumor",
        "Gestational Trophoblastic Tumor",
        "Giant Cell Carcinoma",
        "Human Papillomavirus-Independent Cervical Adenocarcinoma, Clear Cell-Type",
        "Intestinal Neuroendocrine Carcinoma",
        "Intrahepatic Cholangiocarcinoma",
        "Lung Neuroendocrine Tumor",
        "Lung Sarcomatoid Carcinoma",
        "Major Salivary Gland Carcinoma",
        "Malignant Neoplasm of Unknown Primary",
        "Malignant Odontogenic Neoplasm",
        "Malignant Peripheral Nerve Sheath Tumor",
        "Malignant Solid Neoplasm",
        "Malignant Testicular Sex Cord-Stromal Tumor",
        "Metastatic Pituitary Neuroendocrine Tumor",
        "Minimally Invasive Lung Adenocarcinoma",
        "Mixed Mesodermal (Mullerian) Tumor",
        "Mucinous Adenocarcinoma",
        "Mucinous Cystadenocarcinoma",
        "Nasal Cavity Adenocarcinoma",
        "Nasal Cavity Carcinoma",
        "Nasopharyngeal Carcinoma",
        "Nasopharyngeal Low Grade Papillary Adenocarcinoma",
        "Nasopharyngeal Undifferentiated Carcinoma",
        "Oral Cavity Carcinoma",
        "Oropharyngeal Undifferentiated Carcinoma",
        "Ovarian Adenocarcinoma",
        "Ovarian Germ Cell Tumor",
        "Ovarian Mucinous Adenocarcinoma",
        "Ovarian Squamous Cell Carcinoma",
        "Ovarian Transitional Cell Carcinoma",
        "Pancreatic Acinar Cell Carcinoma",
        "Pancreatic Neuroendocrine Carcinoma",
        "Paraganglioma",
        "Paranasal Sinus Adenocarcinoma",
        "Paranasal Sinus Carcinoma",
        "Parathyroid Gland Carcinoma",
        "PEComa",
        "Penile Squamous Cell Carcinoma",
        "Peritoneal Mesothelial Neoplasm",
        "Placental Choriocarcinoma",
        "Primary Peritoneal High Grade Serous Adenocarcinoma",
        "Pseudomyxoma Peritonei",
        "Rare Disorder",
        "Scrotal Squamous Cell Carcinoma",
        "Seminal Vesicle Adenocarcinoma",
        "Seminoma",
        "Serous Cystadenocarcinoma",
        "Small Intestinal Adenocarcinoma",
        "Small Intestinal Squamous Cell Carcinoma",
        "Spindle Cell Neoplasm",
        "Teratoma With Somatic-Type Malignancy",
        "Testicular Non-Seminomatous Germ Cell Tumor",
        "Thyroid Gland Carcinoma",
        "Tracheal Carcinoma",
        "Transitional Cell Carcinoma",
        "Ureter Adenocarcinoma",
        "Ureter Squamous Cell Carcinoma",
        "Urethral Adenocarcinoma",
        "Urethral Squamous Cell Carcinoma",
        "Vaginal Adenocarcinoma",
        "Vaginal Squamous Cell Carcinoma, Not Otherwise Specified",
        "Vulvar Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Echocardiography Test",
          "type": "PROCEDURE"
        },
        {
          "name": "Ipilimumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Nivolumab",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BIOLOGICAL"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 798,
      "start_date": "2017-01-30",
      "completion_date": "2027-06-01",
      "has_results": false,
      "last_update_posted_date": "2026-06-17",
      "last_synced_at": "2026-07-24T08:29:51.877Z",
      "location_count": 1006,
      "location_summary": "Birmingham, Alabama • Mobile, Alabama • Anchorage, Alaska + 620 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02834013"
    },
    {
      "nct_id": "NCT02478723",
      "title": "A Study Evaluating the Sonendo GentleWave™ System",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Root Canal"
      ],
      "interventions": [
        {
          "name": "Sonendo GentleWave™ System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Sonendo, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2015-04",
      "completion_date": "2019-03-27",
      "has_results": false,
      "last_update_posted_date": "2019-04-04",
      "last_synced_at": "2026-07-24T08:29:51.877Z",
      "location_count": 1,
      "location_summary": "Laguna Hills, California",
      "locations": [
        {
          "city": "Laguna Hills",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02478723"
    },
    {
      "nct_id": "NCT03439085",
      "title": "DNA Plasmid-encoding Interleukin-12/HPV DNA Plasmids Therapeutic Vaccine INO-3112 and Durvalumab in Treating Patients With Recurrent or Metastatic Human Papillomavirus Associated Cancers",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Human Papillomavirus-16 Positive",
        "Human Papillomavirus-18 Positive",
        "Metastatic Malignant Neoplasm",
        "Recurrent Anal Canal Carcinoma",
        "Recurrent Cervical Carcinoma",
        "Recurrent Malignant Neoplasm",
        "Recurrent Penile Carcinoma",
        "Recurrent Vaginal Carcinoma",
        "Recurrent Vulvar Carcinoma",
        "Refractory Malignant Neoplasm",
        "Stage IV Anal Cancer AJCC v8",
        "Stage IV Cervical Cancer AJCC v8",
        "Stage IV Penile Cancer AJCC v8",
        "Stage IV Vaginal Cancer AJCC v8",
        "Stage IV Vulvar Cancer AJCC v8",
        "Stage IVA Cervical Cancer AJCC v8",
        "Stage IVA Vaginal Cancer AJCC v8",
        "Stage IVA Vulvar Cancer AJCC v8",
        "Stage IVB Cervical Cancer AJCC v8",
        "Stage IVB Vaginal Cancer AJCC v8",
        "Stage IVB Vulvar Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "DNA Plasmid-encoding Interleukin-12/HPV DNA Plasmids Therapeutic Vaccine MEDI0457",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Durvalumab",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 41,
      "start_date": "2018-11-14",
      "completion_date": "2022-09-20",
      "has_results": true,
      "last_update_posted_date": "2024-07-09",
      "last_synced_at": "2026-07-24T08:29:51.877Z",
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      "location_summary": "Houston, Texas",
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      "official_url": "https://clinicaltrials.gov/study/NCT03439085"
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  ]
}